Syringin \Sy*rin"gin\, n. (Chem.) A glucoside found in the bark of the lilac (Syringa) and extracted as a white crystalline substance; -- formerly called also lilacin.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Syringa \Sy*rin"ga\, n. [NL., fr. Gr. ?, ?, a shepherd's pipe, tube. Cf. Syringe.]

(Bot.)
   (a) A genus of plants; the lilac.
   (b) The mock orange; -- popularly so called because its stems were formerly used as pipestems.

Source: Webster's Revised Unabridged Dictionary (1913)